import java.util.Scanner;

public class FahrenheitToCelsius
{
	public static void main(String[] args)
	{
		Scanner input = new Scanner(System.in);

		System.out.print("Enter a degree in Fahrenheit: ");
		double fahrenheit = input.nextDouble();

		double celsius = (5.0 / 9) * (fahrenheit - 32);
		System.out.println("Fahrenheit " + fahrenheit + " is " + celsius + " in Celsius.");
	}
}